update libp2p to version 0.54 (#6249)

* update libp2p to version 0.54.0

* address review

* Merge branch 'unstable' of github.com:sigp/lighthouse into update-libp2p

* Merge branch 'update-libp2p' of github.com:sigp/lighthouse into update-libp2p

beacon_node/lighthouse_network/src/discovery/mod.rs

@@ -18,6 +18,7 @@ pub use libp2p::identity::{Keypair, PublicKey};
 use enr::{ATTESTATION_BITFIELD_ENR_KEY, ETH2_ENR_KEY, SYNC_COMMITTEE_BITFIELD_ENR_KEY};
 use futures::prelude::*;
 use futures::stream::FuturesUnordered;
+use libp2p::core::transport::PortUse;
 use libp2p::multiaddr::Protocol;
 use libp2p::swarm::behaviour::{DialFailure, FromSwarm};
 use libp2p::swarm::THandlerInEvent;
@@ -983,6 +984,7 @@ impl<E: EthSpec> NetworkBehaviour for Discovery<E> {
         _peer: PeerId,
         _addr: &Multiaddr,
         _role_override: libp2p::core::Endpoint,
+        _port_use: PortUse,
     ) -> Result<libp2p::swarm::THandler<Self>, libp2p::swarm::ConnectionDenied> {
         Ok(ConnectionHandler)
     }